video1.0<iframe src="https://www.loom.com/embed/37dc0793d5a24404be6ca066e3785245" frameborder="0" width="1114" height="835" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>8351114Loomhttps://www.loom.com8351114https://cdn.loom.com/sessions/thumbnails/37dc0793d5a24404be6ca066e3785245-6dcedd793384d006.gif236.416In this video, I discuss how high code coverage doesn't guarantee the absence of regression bugs, using a real-world example from the Apache Common Language Library. I demonstrate how our tool, Testcode, can identify critical mutations that may go undetected even with good coverage. It's crucial for developers to understand that mutation testing can reveal potential gaps in their unit tests. I encourage you to consider how Testcode can enhance your testing strategy.